Finding the Fourth Proportional to 4,209,201.45, 5,808,556.58 and 2,661,296.31
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Solution
The fourth proportional to 4,209,201.45, 5,808,556.58 and 2,661,296.31 is: 3,672,499.49
Step by Step Solution
- Step 1: Write the proportion equation
4,209,201.45 : 5,808,556.58 = 2,661,296.31 : x - Step 2: Convert to fraction form
4,209,201.45/5,808,556.58 = 2,661,296.31/x - Step 3: Cross multiply
4,209,201.45x = 5,808,556.58 × 2,661,296.31 - Step 4: Simplify right side
4,209,201.45x = 15,458,290,179,473.74 - Step 5: Solve for x
x = 15,458,290,179,473.74/4,209,201.45 - Step 6: Final answer
x = 3,672,499.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.